Ott, Lyman. An introduction to statistical methods and data analysis / R. Lyman Ott. - 4th ed. - Belmont, Calif. : Duxbury Press, 1993. - xviii, 1051 : ill. + 1 computer disk (3 1/2 in.). System requirements for computer data disk: PC; MS-DOS. ISBN: 0534931502 Subjects--Topical Terms: Mathematical statistics.